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What are the Ruby Gotchas a newbie should be warned about? [closed]
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Ruby 1.9 lacks character data type, too. In 1.8, index operator returned a Fixnum; in 1.9, it is equivalent to slicing an one-character string.
– whitequark
Aug 1 '11 at 1:27
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Difference between ApiController and Controller in ASP.NET MVC
...roller : Controller {
// GET: /Tweets/
[HttpGet]
public ActionResult Index() {
return Json(Twitter.GetTweets(), JsonRequestBehavior.AllowGet);
}
}
ASP.NET Web API
public class TweetsController : ApiController {
// GET: /Api/Tweets/
public List<Tweet> Get() {
return Twitt...
Visual Studio window which shows list of methods
...io, is there a window which shows list of methods in the active class? A small window like the Solution Explorer would be great. In Eclipse, there is one.
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MySQL select one column DISTINCT, with corresponding other columns
...n - Unambiguous Entities
Assuming the firstname and lastname are uniquely indexed (unambiguous), an alternative to GROUP BY is to sort using a LEFT JOIN to filter the result set, otherwise known as an exclusion JOIN.
See Demonstration
Ascending order (A-Z)
To retrieve the distinct firstname ord...
How can I search for a multiline pattern in a file?
I needed to find all the files that contained a specific string pattern. The first solution that comes to mind is using find piped with xargs grep :
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How to manually set an authenticated user in Spring Security / SpringMVC
After a new user submits a 'New account' form, I want to manually log that user in so they don't have to login on the subsequent page.
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Split a string by a delimiter in python
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@EndenDragon The for loop will automatically apply x.strip() and return a list of matches without whitespace on either side. The devil is in the details.
– Sébastien Vercammen
Jun 29 '16 at 13:59
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Linux: copy and create destination dir if it does not exist
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oops, right. But then, test may be a bash builtin (especially if written as [[ -d "$d" ]]) and mkdir can not ;-)
– Michael Krelin - hacker
Oct 7 '09 at 17:00
1
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Interview question: Check if one string is a rotation of other string [closed]
...1,String s2) {
return (s1.length() == s2.length()) && ((s1+s1).indexOf(s2) != -1);
}
share
edited Feb 8 '12 at 11:34
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What is the correct way to create a single-instance WPF application?
...t the blog hasn't been updated in a while. That makes me worry that eventually it might disappear, and with it, the advocated solution. I'm reproducing the content of the article here for posterity. The words belong solely to the blog owner at Sanity Free Coding.
Today I wanted to refactor so...